A photo posted by Kim Kardashian West (@kimkardashian) on Sep 30, 2016 at 10:57am PDT

Kim's retreat from public life after she was bound and robbed at gunpoint in a private hotel room during Paris Fashion Week also meant that Kanye, 39, was unable to lean on her for support during his jam-packed tour schedule.

A photo posted by Kim Kardashian West (@kimkardashian) on May 24, 2016 at 1:38am PDT

"Without having Kim by his side during the tour as planned, Kanye wasn’t able to snap back. Kim being absent because of her own struggles seems to be why things are different with Kanye this time," the source added.

A photo posted by Kim Kardashian West (@kimkardashian) on Aug 31, 2016 at 5:48pm PDT

The couple's two children - three-year-old daughter North and 11-month-old son Saint - are reportedly yet to visit their father in hospital.

The rapper's shock hospitalisation came just hours after he announced the cancellation of the remainder of his Saint Pablo tour dates.

Mere days earlier, Kanye had cut a show short after performing three songs, ranting about fellow celebs Beyoncé and Jay Z, as well as politicians Hillary Clinton and Donald Trump before walking off stage.